Using thread local variables instead of the global ones

[Jani Averbach]

> -----Original Message-----
> From: Frank Warmerdam
> Sent: Thursday, April 27, 2006 5:57 PM
> Subject: Re: Using thread local variables instead of the global ones
> 
> 
> It has been my finding that __declspec(thread) on win32 only 
> works for object code in an executable or a directly linked 
> DLL.  A DLL loaded at runtime using LoadLibrary() will not 
> have it's threadlocal data properly initialized.
> 
> This is the reason I ended up having to go to the much more 
> complicated mechanisms I currently use in GDAL.

It also good to keep in mind that our plug-in system loads a layer DLL
at 
runtime.

BR, Jani

Jani Averbach
SRC,LLC

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